(19)

(11)

EP 1 423 961 A1

(12)

(43) Date of publication: 02.06.2004 Bulletin 2004/23 (21) Application number: 02765924.2 (22) Date of filing: 02.08.2002

(51) International Patent Classification (IPC)7: H04L 29/06, G06F 1/00 (86) International application number: PCT/US2002/024472 (87) International publication number: WO 2003/024057 (20.03.2003 Gazette 2003/12)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 07.09.2001 US 948889 (71) Applicant: INTEL CORPORATION Santa Clara, CA 95052 (US)	(72) Inventors: HAYDUK, Matt Calgary, Alberta T3G 4N9 (CA) HE, Chun-Xiang Calgary, Alberta T3A 3W4 (CA) (74) Representative: Dunlop, Hugh Christopher et al R G C Jenkins & Co.26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)